import 'package:flutter/foundation.dart';

class AppState with ChangeNotifier {
  bool _isGrayFilter;
  get isGrayFilter => _isGrayFilter;

  AppState({bool isGrayFilter = false}) {
    this._isGrayFilter = isGrayFilter;
  }
  switchGrayFilter() {
    _isGrayFilter = !_isGrayFilter;
    notifyListeners();
  }
}
